{"version":"1.0","type":"link","title":"Selfmate - Newikis","description":"A selfmate is a chess problem in which White, moving first, must force Black to deliver checkmate within a specified number of moves. Selfmates were once known as sui-mates.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/8/88/Vive_la_beaute_-_being_the_tinted_edition_of_a_problematic_work_called_the_Caduceus_-_DPLA_-_f17bd895abe606de2f3b5f2b1f16d4d2_%28page_120%29.jpg","thumbnail_width":643,"thumbnail_height":874}